<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>时钟1</title>
</head>
<style>
    *{
        margin: 0;
        padding: 0;
        list-style: none;
    }
    .container{
        width: 700px;
        height: 500px;
        border: 1px solid rgb(110, 230, 45);
        border-radius: 5px;
        margin: 50px auto;
    }
    .container .clock{
        width: 250px;
        height: 250px;
        border: 1px solid rgb(27, 31, 25);
        border-radius: 50%;
        /* margin: 100px auto; */
        position: relative;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .container .clock span{
        position: absolute;
        top: 20px;
        left: 20px;
        bottom: 20px;
        right: 20px;
        text-align: center;
        inset: 0;
        
        transform: rotate(calc(var(--i)*90deg));
        /* height: 50px;
        width: 50px; */
    }
    
</style>
<body>
    <div class="container">
        <div class="clock">
           <span style="--i:0"><b>1</b></span>
           <!-- <span style="--i:1"><b>2</b></span>
           <span style="--i:2"><b>3</b></span>
           <span style="--i:3"><b>4</b></span> -->
        </div>
    </div>
    <script>

    </script>
</body>
</html>